A Case for Dr. Morelle - Confession of Guilt

Dr. Morelle and his secretary, Miss Frayle, are returning from the legal and medical dinner, which was a speaking engagement for the Doctor. They notice a police car parked in front of an office. Miss Frayle says "I know the driver, he drives for Inspector Hood". The driver says "Good evening Dr. Morelle and Miss Frayle". Miss Frayle says "Good evening, is something going on?" He says "Nothing really special, a suicide". Inspector Hood comes out of the office and says "Sorry to have to leave your speech, Dr. Morelle". Morelle says "I am gratified to see it was business and not boredom which was responsible". Hood says "Yes, I was in the area and had to respond". By the way, Doctor, how many cases do you recall where the suicide shoots himself through the heart? In my experience, it is always through the head". Morelle says "I'm inclined to agree with you".